Mental Subtraction Worksheet for Class 2 and 3
How to do it in your head (Tens first): Keep the first number as it is. Take away the tens of the second number. Take away the ones (bridge back through a ten if you need to).
NameDateTime takenScore ___ / 40
- 1.76 − 25 =
- 2.60 − 23 =
- 3.93 − 38 =
- 4.79 − 56 =
- 5.59 − 49 =
- 6.56 − 13 =
- 7.98 − 65 =
- 8.80 − 28 =
- 9.99 − 74 =
- 10.93 − 51 =
- 11.58 − 46 =
- 12.53 − 25 =
- 13.63 − 13 =
- 14.92 − 18 =
- 15.84 − 46 =
- 16.65 − 53 =
- 17.85 − 65 =
- 18.53 − 21 =
- 19.84 − 55 =
- 20.53 − 26 =
- 21.93 − 18 =
- 22.83 − 49 =
- 23.98 − 72 =
- 24.87 − 22 =
- 25.57 − 21 =
- 26.60 − 51 =
- 27.93 − 54 =
- 28.90 − 54 =
- 29.53 − 31 =
- 30.67 − 22 =
- 31.80 − 21 =
- 32.95 − 69 =
- 33.85 − 63 =
- 34.82 − 41 =
- 35.65 − 49 =
- 36.89 − 51 =
- 37.73 − 48 =
- 38.90 − 78 =
- 39.61 − 28 =
- 40.90 − 64 =
Answer key
- 51
- 37
- 55
- 23
- 10
- 43
- 33
- 52
- 25
- 42
- 12
- 28
- 50
- 74
- 38
- 12
- 20
- 32
- 29
- 27
- 75
- 34
- 26
- 65
- 36
- 9
- 39
- 36
- 22
- 45
- 59
- 26
- 22
- 41
- 16
- 38
- 25
- 12
- 33
- 26
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths